# \donttest{
#Carregar imagem de exemplo
im=read_image(example_image(2))
##mostrar imagem
plot_image(im)
#Extraindo as camadas R, G e B
r=gray_scale(im,method = "r",plot=TRUE)
g=gray_scale(im,method = "g",plot=TRUE)
b=gray_scale(im,method = "b",plot=TRUE)
# }
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